#428457#428457

#428457 is a mid, moderate green. Relative luminance 0.183; OKLCH L 55.7% C 0.098 H 152.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#428457
RGB	rgb(66, 132, 87)
HSL	hsl(139, 33%, 39%)
HSV	hsv(139, 50%, 52%)
CMYK	cmyk(50%, 0%, 34.1%, 48.2%)
CIE-LAB	lab(49.92, -31.78, 17.99)
CIE-LCH	lch(49.92, 36.52, 150.48°)
OKLab	oklab(55.72% -0.0865 0.0453)
OKLCH	oklch(55.72% 0.098 152.4)
XYZ	xyz(12.2175, 18.3480, 11.9127)
Luminance	0.1835 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#428457 #84426F

analogous

#4E8442 #428457 #428478

triadic

#428457 #574284 #845742

tetradic

#428457 #424E84 #84426F #847842

square

#428457 #424E84 #84426F #847842

split-complementary

#428457 #784284 #84424E

monochromatic

#193221 #2E5B3C #428457 #58AB72 #81C095

Accessibility & contrast

On white

4.50

#428457 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#428457 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #428457

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##428457	#FFFFFF	#000000	##000000
##428457	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#847B54

Deuteranopia (green-blind)

#7B745A

Tritanopia (blue-blind)

#338278

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #428457;
/* rgb */ color: rgb(66, 132, 87);
/* oklch */ color: oklch(55.7% 0.098 152.4);

Tailwind

colors: {
  custom: {
    50: '#7ba886',
    500: '#428457',
    950: '#000000',
  },
}

SCSS

$custom: #428457;
$custom-light: #7ba886;
$custom-dark: #000000;

JSON

{
  "hex": "#428457",
  "rgb": {
    "r": 66,
    "g": 132,
    "b": 87
  },
  "hsl": {
    "h": 139.091,
    "s": 33.333,
    "l": 38.824
  },
  "oklch": {
    "l": 0.55717,
    "c": 0.09769,
    "h": 152.4
  },
  "luminance": 0.18349
}

Semantic roles & 50–950 ramp

primary

#428457

secondary

#AB779A

accent

#5EA7C9

background

#F7FAF8

surface

#EEF4EF

border

#C9CECA

text

#0A100B

muted

#7C7F7C

Preview Lab

Preview with #428457

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →